Some limitations of online examination systems include potential technical issues such as connectivity problems or server crashes, concerns about cheating and security threats, limited ability to assess certain types of questions (e.g. open-ended or practical skills-based), and challenges in ensuring equal access for all students, especially those with limited technology resources.
There is no limit to the online examination system, you can conduct unlimited exam/tests for unlimited students.
Note: But you should know about the examination software's user concurrency.
In a good online examination system/software just like Think Exam, you will never face any problem of user concurrency.
Scope of online exam means where its limitation ends like in terms of security and facilities and trustfacter about the knowlegde
Login Module
yes
Data flow diagram for an online examination system can be made by the help of a visual basic program. You can also use online software's to make such diagram.
Online examination is a great medium to measure the knowledge of people participating from around the world on a given topic.For the same, Online examination system such as Think Exam has made it possible for the students to give an exam according to their convenience and availability of time.
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